Move the camera capture H/W initialization sequence to a separate
function. This is needed for reuse in the following runtime PM code.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
drivers/media/video/s5p-fimc/fimc-capture.c | 74 +++++++++++++++------------
drivers/media/video/s5p-fimc/fimc-core.c | 4 +-
drivers/media/video/s5p-fimc/fimc-core.h | 3 +
3 files changed, 46 insertions(+), 35 deletions(-)
diff --git a/drivers/media/video/s5p-fimc/fimc-capture.c b/drivers/media/video/s5p-fimc/fimc-capture.c
index 95996fb..6c4dca0 100644
--- a/drivers/media/video/s5p-fimc/fimc-capture.c
+++ b/drivers/media/video/s5p-fimc/fimc-capture.c
@@ -30,6 +30,44 @@
#include "fimc-mdevice.h"
#include "fimc-core.h"
+static int fimc_init_capture(struct fimc_dev *fimc)
+{
+ struct fimc_ctx *ctx = fimc->vid_cap.ctx;
+ struct fimc_sensor_info *sensor;
+ unsigned long flags;
+ int ret = 0;
+
+ if (fimc->pipeline.sensor == NULL || ctx == NULL)
+ return -ENXIO;
+ if (ctx->s_frame.fmt == NULL)
+ return -EINVAL;
+
+ sensor = v4l2_get_subdev_hostdata(fimc->pipeline.sensor);
+
+ spin_lock_irqsave(&fimc->slock, flags);
+ fimc_prepare_dma_offset(ctx, &ctx->d_frame);
+ fimc_set_yuv_order(ctx);
+
+ fimc_hw_set_camera_polarity(fimc, sensor->pdata);
+ fimc_hw_set_camera_type(fimc, sensor->pdata);
+ fimc_hw_set_camera_source(fimc, sensor->pdata);
+ fimc_hw_set_camera_offset(fimc, &ctx->s_frame);
+
+ ret = fimc_set_scaler_info(ctx);
+ if (!ret) {
+ fimc_hw_set_input_path(ctx);
+ fimc_hw_set_prescaler(ctx);
+ fimc_hw_set_mainscaler(ctx);
+ fimc_hw_set_target_format(ctx);
+ fimc_hw_set_rotation(ctx);
+ fimc_hw_set_effect(ctx);
+ fimc_hw_set_output_path(ctx);
+ fimc_hw_set_out_dma(ctx);
+ }
+ spin_unlock_irqrestore(&fimc->slock, flags);
+ return ret;
+}
+
static void fimc_capture_state_cleanup(struct fimc_dev *fimc)
{
struct fimc_vid_cap *cap = &fimc->vid_cap;
@@ -85,47 +123,17 @@ static int start_streaming(struct vb2_queue *q, unsigned int count)
{
struct fimc_ctx *ctx = q->drv_priv;
struct fimc_dev *fimc = ctx->fimc_dev;
- struct s5p_fimc_isp_info *isp_info;
+ struct fimc_vid_cap *vid_cap = &fimc->vid_cap;
int min_bufs;
int ret;
fimc_hw_reset(fimc);
+ vid_cap->frame_count = 0;
- ret = v4l2_subdev_call(fimc->vid_cap.sd, video, s_stream, 1);
- if (ret && ret != -ENOIOCTLCMD)
- goto error;
-
- ret = fimc_prepare_config(ctx, ctx->state);
+ ret = fimc_init_capture(fimc);
if (ret)
goto error;
- isp_info = &fimc->pdata->isp_info[fimc->vid_cap.input_index];
- fimc_hw_set_camera_type(fimc, isp_info);
- fimc_hw_set_camera_source(fimc, isp_info);
- fimc_hw_set_camera_offset(fimc, &ctx->s_frame);
-
- if (ctx->state & FIMC_PARAMS) {
- ret = fimc_set_scaler_info(ctx);
- if (ret) {
- err("Scaler setup error");
- goto error;
- }
- fimc_hw_set_input_path(ctx);
- fimc_hw_set_prescaler(ctx);
- fimc_hw_set_mainscaler(ctx);
- fimc_hw_set_target_format(ctx);
- fimc_hw_set_rotation(ctx);
- fimc_hw_set_effect(ctx);
- }
-
- fimc_hw_set_output_path(ctx);
- fimc_hw_set_out_dma(ctx);
-
- INIT_LIST_HEAD(&fimc->vid_cap.pending_buf_q);
- INIT_LIST_HEAD(&fimc->vid_cap.active_buf_q);
- fimc->vid_cap.frame_count = 0;
- fimc->vid_cap.buf_index = 0;
-
set_bit(ST_CAPT_PEND, &fimc->state);
min_bufs = fimc->vid_cap.reqbufs_count > 1 ? 2 : 1;
diff --git a/drivers/media/video/s5p-fimc/fimc-core.c b/drivers/media/video/s5p-fimc/fimc-core.c
index 69ba2cc..565f1dd 100644
--- a/drivers/media/video/s5p-fimc/fimc-core.c
+++ b/drivers/media/video/s5p-fimc/fimc-core.c
@@ -476,7 +476,7 @@ int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb,
}
/* Set order for 1 and 2 plane YCBCR 4:2:2 formats. */
-static void fimc_set_yuv_order(struct fimc_ctx *ctx)
+void fimc_set_yuv_order(struct fimc_ctx *ctx)
{
/* The one only mode supported in SoC. */
ctx->in_order_2p = S5P_FIMC_LSB_CRCB;
@@ -518,7 +518,7 @@ static void fimc_set_yuv_order(struct fimc_ctx *ctx)
dbg("ctx->out_order_1p= %d", ctx->out_order_1p);
}
-static void fimc_prepare_dma_offset(struct fimc_ctx *ctx, struct fimc_frame *f)
+void fimc_prepare_dma_offset(struct fimc_ctx *ctx, struct fimc_frame *f)
{
struct samsung_fimc_variant *variant = ctx->fimc_dev->variant;
u32 i, depth = 0;
diff --git a/drivers/media/video/s5p-fimc/fimc-core.h b/drivers/media/video/s5p-fimc/fimc-core.h
index 87a89f1..1d2cfda 100644
--- a/drivers/media/video/s5p-fimc/fimc-core.h
+++ b/drivers/media/video/s5p-fimc/fimc-core.h
@@ -663,6 +663,9 @@ int fimc_set_scaler_info(struct fimc_ctx *ctx);
int fimc_prepare_config(struct fimc_ctx *ctx, u32 flags);
int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb,
struct fimc_frame *frame, struct fimc_addr *paddr);
+void fimc_prepare_dma_offset(struct fimc_ctx *ctx, struct fimc_frame *f);
+void fimc_set_yuv_order(struct fimc_ctx *ctx);
+
int fimc_register_m2m_device(struct fimc_dev *fimc,
struct v4l2_device *v4l2_dev);
void fimc_unregister_m2m_device(struct fimc_dev *fimc);
--
1.7.6
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